This section includes 7 InterviewSolutions, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
what is unification theory |
| Answer» what is unification theory | |
| 2. |
Predict the products ofelectrolysis in each of the following:(i) An aqueous solutionof AgNO3 withsilver electrodes(ii) An aqueoussolution AgNO3 withplatinum electrodes(iii) A dilute solutionof H2SO4with platinum electrodes(iv) An aqueoussolution of CuCl2 with platinum electrodes. |
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Answer» Predict the products of (i) An aqueous solution (ii) An aqueous (iii) A dilute solution (iv) An aqueous |
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| 3. |
(m If kinetic energy K depends on velocity v, acceleration a and density (p) of an object, find the expressionfor K |
| Answer» (m If kinetic energy K depends on velocity v, acceleration a and density (p) of an object, find the expressionfor K | |
| 4. |
Match the correct pairs. |
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Answer» Match the correct pairs. |
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| 5. |
1 mole of NH3 gas at 27 ∘C is expanded in reversible adiabatic condition to make the volume 8 times (γ=1.33). Final temperature and work done respectively are: |
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Answer» 1 mole of NH3 gas at 27 ∘C is expanded in reversible adiabatic condition to make the volume 8 times (γ=1.33). Final temperature and work done respectively are: |
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| 6. |
Find out volume of O2 required to combused 1ml of CxHyOz |
| Answer» Find out volume of O2 required to combused 1ml of CxHyOz | |
| 7. |
Which compound will show the highest lattice energy? |
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Answer» Which compound will show the highest lattice energy? |
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| 8. |
Fill in the blanks with the indefinite articles (un, une, des) |
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Answer» Fill in the blanks with the indefinite articles (un, une, des) |
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| 9. |
Phenol on treatment with CO2 in the presence of NaOH followed by acidification produces compound X as the major product. X on treatment with (CH3CO)2 in the presence of catalytic amount of H2SO4 produces: |
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Answer» Phenol on treatment with CO2 in the presence of NaOH followed by acidification produces compound X as the major product. X on treatment with (CH3CO)2 in the presence of catalytic amount of H2SO4 produces: |
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| 10. |
compare the acidity of o-methyl benzoic acid,o- methoxy benzoic acid , o-nitrobenzoicacid i.e. order of orthro effect for CH3, OCH3, NO2 |
| Answer» compare the acidity of o-methyl benzoic acid,o- methoxy benzoic acid , o-nitrobenzoicacid i.e. order of orthro effect for CH3, OCH3, NO2 | |
| 11. |
Oxidation number of chlorine(Cl) atoms in HClO4 and HClO3 molecules are : |
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Answer» Oxidation number of chlorine(Cl) atoms in HClO4 and HClO3 molecules are : |
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| 12. |
how to calculate the bond order of carbonate ion using the electronic configuration given by the molecular orbital theory? |
| Answer» how to calculate the bond order of carbonate ion using the electronic configuration given by the molecular orbital theory? | |
| 13. |
what is inter molecule cannizzaro reaction? |
| Answer» what is inter molecule cannizzaro reaction? | |
| 14. |
When chlorine is passed over dry slaked lime at room temperature, the main reaction product is |
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Answer» When chlorine is passed over dry slaked lime at room temperature, the main reaction product is |
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| 15. |
Kp for a reaction PCl5 gives PCl3+Cl2 at 250^°C is 0.82.calculate the degree of dissociation at given temperature under a total pressure of 5atm |
| Answer» Kp for a reaction PCl5 gives PCl3+Cl2 at 250^°C is 0.82.calculate the degree of dissociation at given temperature under a total pressure of 5atm | |
| 16. |
Find,if and. |
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Answer» Find |
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| 17. |
Bond angle and bond length in ozone is ? |
| Answer» Bond angle and bond length in ozone is ? | |
| 18. |
Which equation represents an example of Friedel-Craft's reaction |
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Answer» Which equation represents an example of Friedel-Craft's reaction
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| 19. |
Which one of the following compounds has the ratio of radius of cation and anion smallest |
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Answer» Which one of the following compounds has the ratio of radius of cation and anion smallest |
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| 20. |
Helium (He) gas is heated from 200 K to 400 K at constant pressure, the entropy change for 1 mole of the gas will behow to solve this problem? |
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Answer» Helium (He) gas is heated from 200 K to 400 K at constant pressure, the entropy change for 1 mole of the gas will be how to solve this problem? |
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| 21. |
The cross between F1 individual with any one of the parents is called |
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Answer» The cross between F1 individual with any one of the parents is called |
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| 22. |
The correct order of stability for the following free radicals is: |
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Answer» The correct order of stability for the following free radicals is: |
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| 23. |
In which of the following pairs, first structure is more stable than second? |
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Answer» In which of the following pairs, first structure is more stable than second? |
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| 24. |
The halides which will not give ppt. with AgNO3 |
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Answer» The halides which will not give ppt. with AgNO3 |
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| 25. |
4. In fcc lattice A,B,C,D atoms are arranged at corner ,face Centre ,octahedral void and tetrahedral void respectively then the body diagonal contains 1)2A,C,2D. 2)2A,2B,2C. 3)2A,2B,D. 4)2A,2D |
| Answer» 4. In fcc lattice A,B,C,D atoms are arranged at corner ,face Centre ,octahedral void and tetrahedral void respectively then the body diagonal contains 1)2A,C,2D. 2)2A,2B,2C. 3)2A,2B,D. 4)2A,2D | |
| 26. |
Why do electrons form a screen around the nucleus? |
| Answer» Why do electrons form a screen around the nucleus? | |
| 27. |
Which of the following compound(s) has plane of symmetry? |
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Answer» Which of the following compound(s) has plane of symmetry? |
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| 28. |
Predictwhich of the following reaction will have appreciable concentrationof reactants and products:a)b)c) |
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Answer» Predict a) b) c) |
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| 29. |
Find the number of ways in which 5 men and 4 women can be seated at a round table,so that no two women are together. |
| Answer» Find the number of ways in which 5 men and 4 women can be seated at a round table,so that no two women are together. | |
| 30. |
How many different type of bonds are present in C2H6?here are they asking about sigma,pi or C-C,C-H bonds? |
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Answer» How many different type of bonds are present in C2H6? here are they asking about sigma,pi or C-C,C-H bonds? |
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| 31. |
The [Ti(NCS)6]3− ion exhibits a single absoption band at 544 nm. What will be the crystal field splitting energy of the complex? (Planck constant =6.626×10−34J s) |
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Answer» The [Ti(NCS)6]3− ion exhibits a single absoption band at 544 nm. What will be the crystal field splitting energy of the complex? (Planck constant =6.626×10−34J s) |
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| 32. |
If r is the radius of the first orbit, the radius of nth orbit of H−atom is given by: |
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Answer» If r is the radius of the first orbit, the radius of nth orbit of H−atom is given by: |
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| 33. |
Why boiling point of ethoxyethane is less than n pentane? |
| Answer» Why boiling point of ethoxyethane is less than n pentane? | |
| 34. |
Which of the following is expected to have net dipole moment equal to zero? |
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Answer» Which of the following is expected to have net dipole moment equal to zero? |
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| 35. |
The energy required to break one mole of Cl−Cl bonds in Cl2 is 242 kJ mol−1. The longest wavelength of light capable of breaking a single Cl−Cl bond is: (c=3×108 m/s and NA=6.02×1023 mol−1) |
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Answer» The energy required to break one mole of Cl−Cl bonds in Cl2 is 242 kJ mol−1. The longest wavelength of light capable of breaking a single Cl−Cl bond is: |
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| 36. |
An unknown compound (A) has molecular formula C4H6. When (A) is treated with excess of Br2, a new compound (B) with molecular formula C4H6Br4 is formed. (A) forms a white precipitate with ammonical silver nitrate solution. Molar mass of (A) in g mol−1 is x and position of multiple bond is y. Find the value of x/y. |
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Answer» An unknown compound (A) has molecular formula C4H6. When (A) is treated with excess of Br2, a new compound (B) with molecular formula C4H6Br4 is formed. (A) forms a white precipitate with ammonical silver nitrate solution. Molar mass of (A) in g mol−1 is x and position of multiple bond is y. Find the value of x/y. |
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| 37. |
The compound(s) in which intermolecular hydrogen bonding is possible is/are: |
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Answer» The compound(s) in which intermolecular hydrogen bonding is possible is/are: |
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| 38. |
when 2.94 moles of Iodine and 8.1 mole of hydrogen are heated at a constant volume at 722 K until the equilbrium is achieved, 5.64 moles of HI are formed find the equilbrium constant |
| Answer» when 2.94 moles of Iodine and 8.1 mole of hydrogen are heated at a constant volume at 722 K until the equilbrium is achieved, 5.64 moles of HI are formed find the equilbrium constant | |
| 39. |
What is the wavelength of the light emitted when an electron in a hydrogen atom undergoes transition from the energy level n = 4 to energy level n = 2? What is the colour corresponding to their wavelengths? (Given RH=109677 cm−1) |
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Answer» What is the wavelength of the light emitted when an electron in a hydrogen atom undergoes transition from the energy level n = 4 to energy level n = 2? What is the colour corresponding to their wavelengths? (Given RH=109677 cm−1) |
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| 40. |
10. Three atom A,B,C crystallize in cubic solid lattice where A atom are present at all body center B atom are present at all edge centre as well as at all corners of cube and C atom are present at the face centre of cube now if all the atom are removed from the two 4fold axis and the one 2fold axis passing through the cube then the formula of compound is |
| Answer» 10. Three atom A,B,C crystallize in cubic solid lattice where A atom are present at all body center B atom are present at all edge centre as well as at all corners of cube and C atom are present at the face centre of cube now if all the atom are removed from the two 4fold axis and the one 2fold axis passing through the cube then the formula of compound is | |
| 41. |
Compounds showing cannizaro's reaction are(i) CH3CH2CHO (ii) CHCl2CHO (iii) (CH3)3C−CHO (iv)C6H5CHO |
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Answer» Compounds showing cannizaro's reaction are |
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| 42. |
The activity of a radioactive element reduces to 116 of its original value in 36 years. The half life of the element is |
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Answer» The activity of a radioactive element reduces to 116 of its original value in 36 years. The half life of the element is |
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| 43. |
Agas bulb of 1 mL capacity contains 2.0x1021 molecules of nitrogenexerting a pressure of 7.57x103 Nm-2. The root meansquare speed of the gas molecules is |
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Answer» A |
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| 44. |
write the resonating structure ofHCO2- |
| Answer» write the resonating structure ofHCO2- | |
| 45. |
When we pour fine sugar into another jar with different shape. Does the shape of the sugar changes? |
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Answer» When we pour fine sugar into another jar with different shape. Does the shape of the sugar changes? |
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| 46. |
What is the formula of brine solution? |
| Answer» What is the formula of brine solution? | |
| 47. |
What is the color of mangoes ? Statement I: Blue is called green, red is called orange, orange is called yellow. Statement II: Yellow is called white, white is called black, green is called brown and brown is called purple. |
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Answer» What is the color of mangoes ? |
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| 48. |
23. 8.56L of an ideal gas at stp requires 24cal to raise the temperature by 15C at constant volume. The Cp of gas is |
| Answer» 23. 8.56L of an ideal gas at stp requires 24cal to raise the temperature by 15C at constant volume. The Cp of gas is | |
| 49. |
What is the resultant of the following reaction? |
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Answer» What is the resultant of the following reaction? |
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| 50. |
Among the following, van der Waals forces are maximum in: |
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Answer» Among the following, van der Waals forces are maximum in: |
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